Injectoplast Private Limited manufactures Car Speaker Grills. Injectoplast Private Limited manufactures auto components & modules using high performance engineering thermoplastic and thermoset material on injection & blow system. Injectoplast Private Limited is an ISO 9002:1994, QS 9000 and ISO/TS 16949: 2002 accredited company. Car Speaker Grills provide protection to the stereo speakers and prevents the delicate cones on the speaker`s face from being punctured. These grills which, act as a protective cover for the car speakers are removed while cleaning. These speaker grills protect the speaker from dust which can penetrate the grill and build up on the speaker.